| City: | Biloxi, Mississippi |
| Names to Avoid: | Blx, Boloxi |
| County: | Harrison County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:16:19 PM |
| Population: | No Population Data |
| Area Code: | 228 |
| Classification: | PO Box |
| Coordinates: | 30.3956, -88.8854 |
| Quick Link: |
ZIP code 39533 serves downtown Biloxi, Mississippi, on the Gulf Coast. This isn't a residential neighborhood. It's a point ZIP assigned to the Main Street post office in Biloxi's commercial district. The ZIP has zero population because no one lives within its boundaries, but it handles significant business mail for the surrounding area.
The post office maintains 188 PO Boxes and serves 273 business delivery points. That business-heavy profile makes sense for a downtown location. All 99 street delivery records point to a single address on Main Street, with unit designators for different businesses. The 17 registered business establishments employ 619 workers in this commercial core.
Keesler Air Force Base sits just 1.2 miles away, and the post office serves part of the Gulfport-Biloxi metro area. Downtown Biloxi and East Biloxi neighborhoods surround this location.
Biloxi residents who need street delivery use ZIP code 39530, which surrounds this point ZIP. The 39533 ZIP exists primarily for PO Box customers and downtown businesses that want a distinct mailing address. It's a common setup in coastal Mississippi cities, where downtown post offices have their own ZIP while residential areas use different codes.
Single-address ZIP with all deliveries going to Main Street, typical of a downtown post office location.
ZIP Code 39533 supports both business and residential activity. According to the Business Census (2024), there are 17 business establishments, employing about 529 people with an annual payroll of $21,448,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 3,157Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 17Source: CBP |
| 1st Quarter Payroll: | $5,150,000Source: CBP |
| Annual Payroll: | $21,448,000Source: CBP |
| # of Employees: | 529Source: CBP |
ZIP Code 39533 is located in Harrison County, Mississippi, within the Gulfport-Biloxi, MS Metropolitan Statistical Area (CBSA 25060) and Mississippi's 4th Congressional District. This Metro area has a population of 248,820 people, about 0.00% of whom live in ZIP Code 39533. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Gulfport-Biloxi, MSSource: Census |
| CBSA Number: | 25060Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 248,820Source: Census |
| MSA: | Biloxi-Gulfport-Pascagoula, MS MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 04Source: USPS |
| Congressional Land Area: | 8044.48 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2806220Source: Census |
| Place Name: | Biloxi city; MississippiSource: Census |
We could not locate which school district 39533 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.